18711310

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7829}}^1$

素因数の和:8075

約数の個数: 16

約数和(自身を含む): 33825600

約数和(自身を除く): 15114290

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 7829, 15658, 39145, 78290, 1871131, 3742262, 9355655, 18711310]

約数ペア:

[(1, 18711310), (2, 9355655), (5, 3742262), (10, 1871131), (239, 78290), (478, 39145), (1195, 15658), (2390, 7829)]